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insens350 [35]
3 years ago
15

Which pyramid has a greater volume and how much greater is its volume? ​

Mathematics
1 answer:
expeople1 [14]3 years ago
6 0

Answer:

number 2

Step-by-step explanation:

3*7*6=126

4*3*10=120

126-120=6

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HELP ASAP!!!!<br> WILL GIVE BRAINLIEST<br><br> Factor 14f + 21 using the GCF
Mkey [24]

Answer:

7

Step-by-step explanation:

5 0
3 years ago
The highway fuel economy of a 2016 Lexus RX 350 FWD 6-cylinder 3.5-L automatic 5-speed using premium fuel is a normally distribu
Elodia [21]

Answer:

a) Standard error = 0.5

b) 99% Confidence interval:  (19.2125,21.7875)

Step-by-step explanation:

We are given the following in the question:

Population mean =  20.50 mpg

Sample standard deviation = 3.00 mpg

Sample size , n = 36

Standard Error =

=\displaystyle\frac{\sigma}{\sqrt{n}} = \frac{3}{\sqrt{36}} = 0.5

99% Confidence interval:

\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.01} = \pm 2.575

20.50 \pm 2.575(\displaystyle\frac{3}{\sqrt{36}})= 20.50 \pm 1.2875 = (19.2125,21.7875)

4 0
3 years ago
3. The price of a pair of shoes is $64.00 plus 9% sales tax. What is the sales tax on this pair of shoes in dollars and cents? A
Luden [163]

Step-by-step explanation:

To figure out this answer, you need to figure out how much 9% is in $64.00

  ?              9

-------   =   --------  

 64           100

Now to solve this you have to multiply diagonally and divide the neighbor

(let me explain)

basically in this case, you would multiply 64 and 9, then divide by 100

64 * 9 = 576

576 / 100 = <em><u>$5.76</u></em>

<em><u /></em>

In short: your answer is<em><u> 'A' $5.76</u></em>

<em><u /></em>

Hope this helps <3

8 0
3 years ago
Why is it preferable to measure a penny in millimeters?
White raven [17]
When measuring a penny, using the millimeter measurement would be more accurate then using inches or centimeters.
5 0
3 years ago
Mary invests £12000 in a savings account. The account pays 1. 5% compound interest per year. Work out the value of her investmen
mestny [16]

Answer:

The value of Mary's investment after two years = £12362.7

Step-by-step explanation:P = Principal / initial amountR = rate of interest per cent per yearT = number of yearsA = final amount at the end of T yearsThen:A = P*(1 + R/100)^2In our example:P = £12000R = 1.5 per cent per yearT = 2 yearsThus:A = 12000*(1 + 1.5/100)^2   = 12000*(1 + 0.015)^2   = 12000*(1.015)^2    = 12000*(1.030225)    = 12362.7Value of investment after two years = £12362.7

4 0
2 years ago
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